Home / 331,460.74-497,249.55-121,392.10

Finding the Fourth Proportional to 331,460.74, 497,249.55 and 121,392.10

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Solution

The fourth proportional to 331,460.74, 497,249.55 and 121,392.10 is: 182,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,460.74 : 497,249.55 = 121,392.10 : x
  2. Step 2: Convert to fraction form
    331,460.74/497,249.55 = 121,392.10/x
  3. Step 3: Cross multiply
    331,460.74x = 497,249.55 × 121,392.10
  4. Step 4: Simplify right side
    331,460.74x = 60,362,167,098.56
  5. Step 5: Solve for x
    x = 60,362,167,098.56/331,460.74
  6. Step 6: Final answer
    x = 182,109.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.